UCD3138128APFCR datasheet(10/83 Pages) TI1

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UCD3138128A

SLUSC99 – JULY 2016

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7.3 Recommended Operating Conditions

Over operating free-air temperature range (unless otherwise noted)

MIN

TYP

MAX

UNIT

Digital power

V33D

3.0

3.3

3.6

Digital I/O power

V33DIO

3.3

3.6

Analog power

V33A

3.3

3.6

Digital power

BP18

1.6

1.8

Junction temperature, TJ

-40

125

°C

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, .

7.4 Thermal Information

THERMAL METRIC(1)

TQFP (QFN)

UNIT

80-PIN

RθJA

Junction-to-ambient thermal resistance

47.8

°C/W

RθJCtop

Junction-to-case (top) thermal resistance

7.8

RθJB

Junction-to-board thermal resistance

24.4

ψJT

Junction-to-top characterization parameter

0.2

ψJB

Junction-to-board characterization parameter

24.0

RθJCbot

Junction-to-case (bottom) thermal resistance

N/A

(1)

Characterized by design and not production tested.

7.5 Electrical Characteristics

V33A = V33D = V33DIO = 3 V to 3.6 V; 1 μF from BP18 to DGND, TJ = –40°C to 125°C (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

I33A(1)

Measured on V33A. The device is

powered up but all ADC12 and EADC

sampling is disabled

7.5

I33DIO(1)

All GPIO and communication pins are

open

0.35

I33D(1)

ROM program execution

I33

The device is in ROM mode with all

DPWMs enabled and switching at 2

MHz. The DPWMs are all unloaded.

100

ERROR ADC INPUTS EAP, EAN

EAP – AGND(1)

–0.15

1.998

EAP – EAN(1)

–0.256

1.848

Typical error range(1)

AFE = 0

–256

248

EAP – EAN Error voltage digital resolution

AFE = 3

0.8

1.25

AFE = 2

1.7

2.4

AFE = 1

3.55

4.5

AFE = 0

6.90

9.10

REA

Input impedance(1)

(See Figure 11)

AGND reference

0.5

Ω

IOFFSET

Input offset current(1)

(See Figure 11)

EADC is in idle state

–5

μA

EADC Offset

Input voltage = 0 V at AFE = 0

–20

Input voltage = 0 V at AFE = 1

–10

Input voltage = 0 V at AFE = 2

–6

Input voltage = 0 V at AFE = 3

–4

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